Home / 53,996.81-74,515.38-30,123.47

Finding the Fourth Proportional to 53,996.81, 74,515.38 and 30,123.47

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Solution

The fourth proportional to 53,996.81, 74,515.38 and 30,123.47 is: 41,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,996.81 : 74,515.38 = 30,123.47 : x
  2. Step 2: Convert to fraction form
    53,996.81/74,515.38 = 30,123.47/x
  3. Step 3: Cross multiply
    53,996.81x = 74,515.38 × 30,123.47
  4. Step 4: Simplify right side
    53,996.81x = 2,244,661,441.39
  5. Step 5: Solve for x
    x = 2,244,661,441.39/53,996.81
  6. Step 6: Final answer
    x = 41,570.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.